var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var mongoose = require('mongoose');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');


var app = express();

// mongoose 连接数据库
mongoose
  .connect('mongodb://localhost:27017/movie', {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => {
    console.log('数据库连接成功');
  });


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({
  extended: false
}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// express中使用cors解决跨域
app.use(require('cors')());

//
app.use('/', require('./routes/index'));
app.use('/users', require('./routes/users'));
app.use('/m', require('./routes/movies'));
app.use('/api/v1/m', require('./routes/api/movies'));
//文件上传
app.use('/api/v1/f', require('./routes/api/common'));

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;